National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh - Allegheny County Airport (KAGC)

Lat: 40.36°NLon: 79.92°WElev: 1237ft.

Overcast

37°F

3°C

Humidity 65%
Wind Speed N 5 mph
Barometer 29.85 in (1012.2 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 13 Nov 8:53 pm EST
Extended Forecast for

Cheswick PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain and snow showers before 10am, then rain showers likely. Cloudy, with a high near 45. West wind 7 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 45 °F

    Chance
    Rain/Snow
    then Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers before 1am, then a chance of showers after 2am. Mostly cloudy, with a low around 35. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 1pm. Mostly cloudy, with a high near 48. Northwest wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 26.

    Low: 26 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Calm wind becoming west around 5 mph after midnight.
Saturday
A chance of rain and snow showers before 10am, then rain showers likely. Cloudy, with a high near 45. West wind 7 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A chance of showers before 1am, then a chance of showers after 2am. Mostly cloudy, with a low around 35. West wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers before 1pm. Mostly cloudy, with a high near 48. Northwest wind 7 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 33. Northwest wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 26.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Clear, with a low around 26.
Wednesday
Sunny, with a high near 58.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 32.
Friday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cheswick PA
 40.53°N 79.82°W (Elev. 886 ft)
Last Update:
8:11 pm EST Nov 13, 2026
Forecast Valid:
9pm EST Nov 13, 2026-6pm EST Nov 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation